import axios from "axios";
import { Message } from "element-ui";
import router from '../router'


//请求拦截器
axios.interceptors.request.use(config=>{
    //如果存在这个token，请求携带这个token
    console.log("进入请求拦截器")
    if (window.sessionStorage.getItem('tokenStr')){
        config.headers['Authorization'] = window.sessionStorage.getItem('tokenStr');
    }
    return config;
},error => {
    console.log(error);
})

//响应拦截器
axios.interceptors.response.use(success=> {
    //业务逻辑错误
    console.log("进入响应拦截器")
    if (success.status && success.status==200){ //200说明接口调用成功
        if (success.data.code==500 || success.data.code==401 || success.data.code==403) {
            Message.error({message:success.data.message});
            return;
        }
        if (success.data.message){
            Message.success({message:success.data.message});
        }
    }
    return success.data;
},error => {  //后端接口访问失败
    if (error.response.code==404 || error.response.code==504){
        Message.error({message:'服务器貌似被吃掉了( ╯□╰ )'});
    }else if (error.response.code==403){
        Message.error({message:'权限不足，请联系网站管理员！'});
    }else if (error.response.code==401){
        Message.error({message:'尚未登录，请先登录哦~'});
        router.replace('/login');
    }else {
        if (error.response.data.message){
            Message.error({message:error.response.data.message});
        } else {
            Message.error({message:'发生了未知错误！'});
        }
    }
    return;
});




let base = '';

//传送json格式的post请求
export const postRequest = (url,params)=>{
    return axios({
        method:'post',
        url: `${base}${url}`,
        data: params
    })
}
//传送json格式的put请求
export const putRequest = (url,params)=>{
    return axios({
        method:'put',
        url: `${base}${url}`,
        data: params
    })
}

//传送json格式的get请求
export const getRequest = (url,params)=>{
    return axios({
        method:'get',
        url: `${base}${url}`,
        data: params
    })
}

//传送json格式的delete请求
export const deleteRequest = (url,params)=>{
    return axios({
        method:'delete',
        url: `${base}${url}`,
        data: params
    })
}